Land use
Energy
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BIOFUEL
BIOMASS
COAL
ISOTOPES
KEROGEN
MAGMA
MELTDOWN
MINERAL
NATURAL
REMOVAL
RESOURCE
RESOURCES
P | L | A | R | E | N | I | M | R |
R | E | A | N | L | B | I | E | E |
E | U | M | E | A | I | S | L | S |
M | F | G | G | R | O | O | T | O |
O | O | A | O | U | M | T | D | U |
V | I | M | R | T | A | O | O | R |
A | B | C | E | A | S | P | W | C |
L | E | C | K | N | S | E | N | E |
S | N | C | O | A | L | S | Y | N |
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